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Webster 1913 Edition
Demonstration
Demˊon-stra′tion
,Noun.
[L.
demonstratio
: cf. F. démonstration
.] 1.
The act of demonstrating; an exhibition; proof; especially, proof beyond the possibility of doubt; indubitable evidence, to the senses or reason.
Those intervening ideas which serve to show the agreement of any two others are called “proofs;” and where agreement or disagreement is by this means plainly and clearly perceived, it is called
demonstration
. Locke.
Did your letters pierce the queen to any
demonstration
of grief? Shakespeare
Loyal
demonstrations
toward the prince. Prescott.
3.
(Anat.)
The exhibition and explanation of a dissection or other anatomical preparation.
4.
(Mil.) a decisive exhibition of force, or a movement indicating an attack.
5.
(Logic)
The act of proving by the syllogistic process, or the proof itself.
6.
(Math.)
A course of reasoning showing that a certain result is a necessary consequence of assumed premises; – these premises being definitions, axioms, and previously established propositions.
Direct demonstration
, or Positive demonstration
, (Logic & Math.)
, one in which the correct conclusion is the immediate sequence of reasoning from axiomatic or established premises
; – opposed to Indirect demonstration
, or
Negative demonstration
(called also
reductio ad absurdum
), in which the correct conclusion is an inference from the demonstration that any other hypothesis must be incorrect.Webster 1828 Edition
Demonstration
DEMONSTRATION
, n.1.
The act of demonstrating, or of exhibiting certain proof.2.
The highest degree of evidence; certain proof exhibited, or such proof as establishes a fact or proposition beyond a possibility of doubt, or as shows the contrary position to be absurd or impossible.3.
Indubitable evidence of the senses, or of reason; evidence which satisfies the mind of the certainty of a fact or proposition. Thus we hold that the works of nature exhibit demonstration of the existence of a God.4.
In logic, a series of syllogisms, all whose premises are either definitions, self-evident truths, or propositions already established.5.
Show; exhibition.6.
In anatomy, the exhibition of parts dissected.Definition 2024
démonstration
démonstration
See also: demonstration and Demonstration
French
Noun
démonstration f (plural démonstrations)
- demonstration (act of showing and explaining)